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Yusuke Arao

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speed calculation device and power conversion device
    • Patent number 11,870,384
    • Issue date Jan 9, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hiroshi Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device, motor control system, and parameter settin...
    • Patent number 11,451,182
    • Issue date Sep 20, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion system and power conversion method
    • Patent number 11,442,415
    • Issue date Sep 13, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takaaki Hayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Voltage imbalance assessment method and power conversion device
    • Patent number 11,340,310
    • Issue date May 24, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kazushige Hotta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 11,050,360
    • Issue date Jun 29, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device and power conversion device system
    • Patent number 10,903,759
    • Issue date Jan 26, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power converter device
    • Patent number 8,581,531
    • Issue date Nov 12, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusaku Onuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter device
    • Patent number 8,362,722
    • Issue date Jan 29, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusaku Onuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Power Converter
    • Publication number 20250102549
    • Publication date Mar 27, 2025
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yusuke ARAO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion System and Power Conversion Method
    • Publication number 20210096516
    • Publication date Apr 1, 2021
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takaaki HAYASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion Device, Motor Control System, and Parameter Settin...
    • Publication number 20210075359
    • Publication date Mar 11, 2021
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yusuke ARAO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Speed Calculation Device and Power Conversion Device
    • Publication number 20210075347
    • Publication date Mar 11, 2021
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Hiroshi WATANABE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Voltage Imbalance Assessment Method and Power Conversion Device
    • Publication number 20200400754
    • Publication date Dec 24, 2020
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kazushige HOTTA
    • G01 - MEASURING TESTING
  • Information Patent Application

    Power Conversion Device
    • Publication number 20200220480
    • Publication date Jul 9, 2020
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yusuke ARAO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Conversion Device and Power Conversion Device System
    • Publication number 20190173396
    • Publication date Jun 6, 2019
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yusuke ARAO
    • G01 - MEASURING TESTING
  • Information Patent Application

    Power Converter Device
    • Publication number 20130127380
    • Publication date May 23, 2013
    • Yusaku ONUMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER DEVICE
    • Publication number 20110227513
    • Publication date Sep 22, 2011
    • Yusaku ONUMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER